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Cormoyeux (French pronunciation: [kɔʁmwajø]) is a commune in the Marne department in north-eastern France.

Nanteuil-la-Forêt (French pronunciation: [nɑ̃tœj la fɔʁɛ]) is a commune in the Marne department in north-eastern France.

Romery (French pronunciation: [ʁɔmʁi]) is a commune in the Marne department in north-eastern France.

Montagne de Reims Regional Natural Park (French: Parc naturel régional de la Montagne de Reims) is a protected area in the Grand Est region of France. It is organized around the Montagne de Reims, a wooded range of hills covered by vineyards that produce the region's eponymous sparkling wine, Champagne. The area was officially designated as a regional natural park in 1976 with a total land area of 50,000 hectares (120,000 acres).

Pourcy (French pronunciation: [puʁsi]) is a commune in the Marne department in north-eastern France.

Courtagnon (French pronunciation: [kuʁtaɲɔ̃]) is a commune in the Marne department in north-eastern France.

Marfaux (French pronunciation: [maʁfo]) is a commune in the Marne department in north-eastern France.

Hautvillers (French pronunciation: [ovile]) is a commune in the Marne department in north-eastern France. The Abbey of St. Peter which existed here until the French Revolution was the home of the famous Dom Perignon, a Benedictine monk whose work in wine-making helped to develop champagne. Because of the region's testimony to the development of champagne and unique agro-industrial system, the nearby vineyards, harvest huts, presses, and cellars were inscribed on the UNESCO World Heritage List in 2015 as part of the Champagne hillsides, houses and cellars site. The underground cellars, used for storing and fermenting the champagne, were built in the late 17th century and are some of the first cellars specifically dedicated to storing champagne.

Hautvillers Abbey, or more formally the Abbey of St Peter, Hautvillers (French: Abbaye Saint-Pierre d'Hautvillers), is a former Benedictine monastery in the Hautvillers commune of the Marne department in north-eastern France. The abbey remained active between 665 and the French Revolution of 1789. It housed the relics of Saint Helena, Empress and mother of Constantine, between 841 and 1819. One of its monks, Dom Pérignon, contributed to the development of sparkling wine in the Champagne region. The building has been classified as a monument of historical value since 1983.

Cumières (French pronunciation: [kymjɛʁ]) is a commune in the Marne department in north-eastern France.

Champagne hillsides, houses and cellars is the name given to several sites in the Champagne region of France inscribed to the UNESCO World Heritage List in 2015 for their historical ties to the production and sale of champagne, as well as their testimony to the development of an internationally-renowned agro-industrial enterprise.